7(2х-3) - x = 3x - 11 2) 2(3х-2) = 42 + (3-х)

3) (2x-20)(x+6)(x-16)=0

4) (3x-1)2 - 9x2 = -35

5) |7x - 1| = - 6

6) (6x-1)(1+6x)-4x(9x+3)=-145

7) (2x+1)2 = 13 + 4x2

8) 5 : (1- x) = 4: (6 - x)

9) |2x-8| = 2 10) (5x)2 = 100 11) - (3-х) + 2(x-3) = 3